Finding the Fourth Proportional to 14,123.86, 19,492.59 and 7,836.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.86 : 19,492.59 = 7,836.64 : x
2. Step 2: Convert to fraction form
   14,123.86/19,492.59 = 7,836.64/x
3. Step 3: Cross multiply
   14,123.86x = 19,492.59 × 7,836.64
4. Step 4: Simplify right side
   14,123.86x = 152,756,410.50
5. Step 5: Solve for x
   x = 152,756,410.50/14,123.86
6. Step 6: Final answer
   x = 10,815.49